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Thread: first roast success!

  1. #1
    Junior Member
    Join Date
    Jun 2009

    first roast success!

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Im currently sipping a long black from my first roast. Wonderful!

    I used a Breville bread machine (thanks to my very tolerant wife) and a cheap Ryobi heat gun. I attached the heat gun to a plastic garden chair using a rubber band and a dog clip, which put the heat gun nozzle at about the height of the top lip of the bread machine. I used a digital oven thermometer to measure the temperature.

    For my first roasts Im using decaf Espresso WOW beans from CS beanbay, on the idea that Ill want to try a lot of cups of coffee to learn how to roast, and I still want to be able to get some sleep :-)

    I donned my CS t-shirt to ward off bad coffee spirits, then went to work. My first roast was a bit of a disaster. I chose the pizza dough setting, as that was 15 minutes and I thought that would be about right. It all went really well for the first 6 minutes, then the bread machine decided to let the bread sit and rise, so it stopped churning! I tried resetting the program to start it again, but the bread machine just displayed H-- meaning it was too hot and it refused to budge. I grabbed a stick to try to stir a bit, but the end result was a really uneven roast, as you can see from the photo below. The heat gun also went into overheat and refused to turn on again for about 10 minutes.

    I then rummaged around in the kitchen and managed to find the manual for the bread machine. It turns out it has a personal recipe setting where you can make your own bread making profile. I created a profile with 30 minutes of continuous kneading for my 2nd roast attempt. *I also took off the wide nozzle from the heat gun that Id used for the first roast. I had used the wide nozzle to try to spread the heat over the beans, but it resulted in a lot more heat building up in the heat gun, which I think is why the heat gun refused to start again. With the nozzle off I didnt get that problem.

    The 2nd roast went much better! I discovered that the oven thermometer maxes out at 200C, so once it hit 200 it just displays ---, but at least I knew I was getting somewhat close to the right temperature. Ill buy a proper thermometer for future roasts.

    I got the first cracks at about 9 minutes, and stopped the roast at 12 minutes when I thought the colour looked about right. I then cooled the beans in a large colander, stirring rapidly with a wooden spoon. The result was a nice even roast, somewhere around CS10.

    I havent tried the beans from the first disastrous run, but Ive tried a few cups from the 2nd run and it tastes great. A very deep dark flavor, easily as good as the beans I buy from my local coffee shop. Im hooked!

    Ive ordered a starter pack, plus some Ethiopian Gambella naturals to try my hand at roasting some different types of beans. Ill probably also try some blending, which brings me to my question. Should I blend bean types before or after roasting, or doesnt it matter?

    Thanks to everyone in this forum for the great tips and encouragement for first time roasters. It is great fun, and very satisfying!

    Cheers, Tridge

    EM6910, EM0480, corretto roaster

  2. #2
    Senior Member redzone121's Avatar
    Join Date
    Oct 2007
    New Zealand

    Re: first roast success!

    Welcome Andrew, Id certainly give that second roast a try, looks great.

    Well done and enjoy :D


  3. #3
    A_M is offline
    Join Date
    Mar 2006

    Re: first roast success!

    Quote Originally Posted by 594E4F5144454E1A191A2B0 link=1250387920/1#1 date=1250389026
    Welcome Andrew, Id certainly give that second roast a try, looks great.

    Well done and enjoy *:D

    Yep number two looks OK..

    Before ya toss number one :-) Get a small mix and pot in a clear acrylic mix and or glue to a small pic and hang in ya workshop / area..

    Always great to look back and see how far you have come..

    Keep up the good work.

  4. #4
    Senior Member
    Join Date
    Mar 2009

    Re: first roast success!

    Andrew wel one aboard!! Its an exciting journey both with its great roasts and charcole emebers that once resembled green beans!! We have all bean there done that (sorry the pun)!!
    Dont give up cause ur second batch looks good. Give is 4-7 days then give them a taste!! Next time try pulling it a little earlier then and trying them u will taste the difference. Always remember its whats in the cup that counts!! See what u prefer and make adjustment longer or shorter roasts accordingly!!
    Good luck and welcome ;) ;D

  5. #5
    Senior Member MeanzBeanz's Avatar
    Join Date
    Apr 2008

    Re: first roast success!

    Behmor Coffee Roaster
    Welcome to CS Andrew. No shortage of help on here for your coffee journey. The search function is your friend and if that doesnt work a post will bring the cavalry.

    You dont mention it in your post so make sure you have a fan blowing on the HG body. It helps keep the HG from overheating and blows the chaff away. When finished I turn the HG down to min and let my fan cool it. Never had the HG cut out which is handy for back to back roasts.

    Great results for your first roasts. Make lots of notes so you can determine what works for you.

    9 mins to first crack is a bit too fast for ME, I find 12 mins then reducing the temperature at FC till I hit SC or pull the roast earlier works best. What you prefer and how it tastes in the cup is a personal preference that is different for all of us.


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